import Vue from 'vue'
import router from './router'
import store from './store'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import notification from 'ant-design-vue/es/notification'
import { ACCESS_TOKEN, INDEX_MAIN_PAGE_PATH, OAUTH2_LOGIN_PAGE_PATH } from '@/store/mutation-types'
import { generateIndexRouter, isOAuth2AppEnv, getFilterMenu } from '@/utils/util'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/user/login', '/user/register', '/user/register-result', '/user/alteration'] // no redirect whitelist
whiteList.push(OAUTH2_LOGIN_PAGE_PATH)

router.beforeEach((to, from, next) => {
  NProgress.start() // start progress bar
  if (Vue.ls.get(ACCESS_TOKEN)) {
    /* has token */
    if (to.path === '/user/login' || to.path === OAUTH2_LOGIN_PAGE_PATH) {
      next({ path: INDEX_MAIN_PAGE_PATH })
      NProgress.done()
    } else {
      if (store.getters.permissionList.length === 0) {
        store
          .dispatch('GetPermissionList')
          .then((res) => {
            const menuData = res.result.menu
            //console.log(res.message)
            if (menuData === null || menuData === '' || menuData === undefined) {
              return
            }
            let constRoutes = []
            constRoutes = generateIndexRouter(menuData)
            // 添加主界面路由
            store.dispatch('UpdateAppRouter', { constRoutes }).then(() => {
              // 根据roles权限生成可访问的路由表
              // 动态添加可访问路由表
              router.addRoutes(store.getters.addRouters)
              const redirect = decodeURIComponent(from.query.redirect || to.path)
              if (to.path === redirect) {
                // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
                next({ ...to, replace: true })
              } else {
                // if(tMenu.is)
                // 跳转到目的路由
                next({ path: redirect })
              }
            })
          })
          .catch(() => {
            /* notification.error({
               message: '系统提示',
               description: '请求用户信息失败，请重试！'
             })*/
            store.dispatch('Logout').then(() => {
              next({ path: '/user/login', query: { redirect: to.fullPath } })
            })
          })
      } else {
        let tMenu = getFilterMenu(to.path, store.getters.permissionList)
        console.log('当前路由对应的菜单：', tMenu)
        let tEffectiveChilds = (tMenu.children || []).filter((it) => it.path !== '/none')
        if (tEffectiveChilds.length) {
          // 找到当前菜单下的叶子菜单
          function dig(menus) {
            if (!menus || !menus.length) {
              return
            }
            let resPaths = []
            for (let i = 0; i < menus.length; i++) {
              let effectiveChilds = (menus[i].children || []).filter((it) => it.path !== '/none')
              if (effectiveChilds.length) {
                let res = dig(effectiveChilds)
                resPaths.push(...res)
              } else {
                resPaths.push(menus[i].path)
              }
            }
            return resPaths
          }
          let leafPaths = dig(tMenu.children)
          if (leafPaths.length) {
            next({ path: leafPaths[0] })
          } else {
            next()
          }
        } else {
          next()
        }
      }
    }
  } else {
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，如果进入的页面是login页面并且当前是OAuth2app环境，就进入OAuth2登录页面
      if (to.path === '/user/login' && isOAuth2AppEnv()) {
        next({ path: OAUTH2_LOGIN_PAGE_PATH })
      } else {
        // 在免登录白名单，直接进入
        next()
      }
      NProgress.done()
    } else {
      // 如果当前是在OAuth2APP环境，就跳转到OAuth2登录页面
      let path = isOAuth2AppEnv() ? OAUTH2_LOGIN_PAGE_PATH : '/user/login'
      next({ path: path, query: { redirect: to.fullPath } })
      NProgress.done() // if current page is login will not trigger afterEach hook, so manually handle it
    }
  }
})

router.afterEach(() => {
  NProgress.done() // finish progress bar
})
